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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Labs Platform module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWIDGETPLATFORM_P_H
+#define QWIDGETPLATFORM_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qdebug.h>
+#include <QtCore/qcoreapplication.h>
+#include <QtGui/qpa/qplatformtheme.h>
+#include <QtGui/qpa/qplatformdialoghelper.h>
+#include <QtGui/qpa/qplatformsystemtrayicon.h>
+#include <QtGui/qpa/qplatformmenu.h>
+
+#ifdef QT_WIDGETS_LIB
+#include "qwidgetplatformcolordialog_p.h"
+#include "qwidgetplatformfiledialog_p.h"
+#include "qwidgetplatformfontdialog_p.h"
+#include "qwidgetplatformmessagedialog_p.h"
+#include "qwidgetplatformmenu_p.h"
+#include "qwidgetplatformmenuitem_p.h"
+#include "qwidgetplatformsystemtrayicon_p.h"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_WIDGETS_LIB
+typedef QPlatformMenu QWidgetPlatformMenu;
+typedef QPlatformMenuItem QWidgetPlatformMenuItem;
+typedef QPlatformColorDialogHelper QWidgetPlatformColorDialog;
+typedef QPlatformFileDialogHelper QWidgetPlatformFileDialog;
+typedef QPlatformFontDialogHelper QWidgetPlatformFontDialog;
+typedef QPlatformMessageDialogHelper QWidgetPlatformMessageDialog;
+typedef QPlatformSystemTrayIcon QWidgetPlatformSystemTrayIcon;
+#endif
+
+namespace QWidgetPlatform
+{
+ static inline bool isAvailable(const char *type)
+ {
+ if (!qApp->inherits("QApplication")) {
+ qCritical("\nERROR: No native %s implementation available."
+ "\nQt Labs Platform requires Qt Widgets on this setup."
+ "\nAdd 'QT += widgets' to .pro and create QApplication in main().\n", type);
+ return false;
+ }
+ return true;
+ }
+
+ template<typename T>
+ static inline T *createWidget(const char *name, QObject *parent)
+ {
+ static bool available = isAvailable(name);
+#ifdef QT_WIDGETS_LIB
+ if (available)
+ return new T(parent);
+#else
+ Q_UNUSED(parent)
+ Q_UNUSED(available)
+#endif
+ return nullptr;
+ }
+
+ static inline QPlatformMenu *createMenu(QObject *parent = nullptr) { return createWidget<QWidgetPlatformMenu>("Menu", parent); }
+ static inline QPlatformMenuItem *createMenuItem(QObject *parent = nullptr) { return createWidget<QWidgetPlatformMenuItem>("MenuItem", parent); }
+ static inline QPlatformSystemTrayIcon *createSystemTrayIcon(QObject *parent = nullptr) { return createWidget<QWidgetPlatformSystemTrayIcon>("SystemTrayIcon", parent); }
+ static inline QPlatformDialogHelper *createDialog(QPlatformTheme::DialogType type, QObject *parent = nullptr)
+ {
+ switch (type) {
+ case QPlatformTheme::ColorDialog: return createWidget<QWidgetPlatformColorDialog>("ColorDialog", parent);
+ case QPlatformTheme::FileDialog: return createWidget<QWidgetPlatformFileDialog>("FileDialog", parent);
+ case QPlatformTheme::FontDialog: return createWidget<QWidgetPlatformFontDialog>("FontDialog", parent);
+ case QPlatformTheme::MessageDialog: return createWidget<QWidgetPlatformMessageDialog>("MessageDialog", parent);
+ default: Q_UNREACHABLE(); break;
+ return nullptr;
+ }
+ }
+}
+
+QT_END_NAMESPACE
+
+#endif // QWIDGETPLATFORM_P_H